| Castelo Branco to Bacup | 991.09 mi (1,595.00 km) |
| Castelo Branco to Baguley | 969.99 mi (1,561.05 km) |
| Castelo Branco to Baildon | 1,006.06 mi (1,619.09 km) |
| Castelo Branco to Bailleston | 1,118.35 mi (1,799.81 km) |
| Castelo Branco to Balderton | 968.09 mi (1,557.99 km) |
| Castelo Branco to Baldock | 910.45 mi (1,465.23 km) |
| Castelo Branco to Balham | 877.20 mi (1,411.72 km) |
| Castelo Branco to Bamber Bridge | 987.51 mi (1,589.24 km) |
| Castelo Branco to Banbridge | 1,005.32 mi (1,617.91 km) |
| Castelo Branco to Banbury | 895.54 mi (1,441.22 km) |
| Castelo Branco to Bangor | 1,029.07 mi (1,656.13 km) |
| Castelo Branco to Bangor | 940.12 mi (1,512.98 km) |
| Castelo Branco to Banstead | 868.71 mi (1,398.05 km) |
| Castelo Branco to Bargoed | 845.30 mi (1,360.38 km) |
| Castelo Branco to Barking | 887.67 mi (1,428.57 km) |
